o 0¦ij‰ã@s`dZddlZddlZddlZddlZddlZddlZddlZddlm Z ddl mZmZgd¢Z e deddddlZddlZejdZd ZGd d„dƒZeƒadZd ZdZd(dd„ZGdd„dejƒZGdd„dejƒZGdd„deƒZGdd„deƒZGdd„deƒZ Gdd„dƒZ!dd„Z"e#d kr.e"ƒZ$e$j%Z%d!e%vr»e% &d!¡Z'e(e%de'…e)ƒe*ƒdgƒZ+e%e'd"d…Z%nddl,Z+e-e+e%ƒZ.e.e$j/e$j0fe$j1e$j2fe$j3e$j4d#Z5e$j6rzddl7Z7Wne8yõe9d$ej:d%e ;d"¡Ynwe7 ye9d'ej:d%e ;d"¡Ynwze ?¡WdSe@y-YdSwdS))aAn RFC 5321 smtp proxy with optional RFC 1870 and RFC 6531 extensions. Usage: %(program)s [options] [localhost:localport [remotehost:remoteport]] Options: --nosetuid -n This program generally tries to setuid `nobody', unless this flag is set. The setuid call will fail if this program is not run as root (in which case, use this flag). --version -V Print the version number and exit. --class classname -c classname Use `classname' as the concrete SMTP proxy class. Uses `PureProxy' by default. --size limit -s limit Restrict the total size of the incoming message to "limit" number of bytes via the RFC 1870 SIZE extension. Defaults to 33554432 bytes. --smtputf8 -u Enable the SMTPUTF8 extension and behave as an RFC 6531 smtp proxy. --debug -d Turn on debugging prints. --help -h Print this message and exit. Version: %(__version__)s If localhost is not given then `localhost' is used, and if localport is not given then 8025 is used. If remotehost is not given then `localhost' is used, and if remoteport is not given, then 25 is used. éN)Úwarn)Ú get_addr_specÚget_angle_addr)ÚSMTPChannelÚ SMTPServerÚDebuggingServerÚ PureProxyÚMailmanProxyz¬The smtpd module is deprecated and unmaintained and will be removed in Python 3.12. 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dƒ‚|r2d|_ d|_d|_t |_nd|_ d|_tdƒ|_d |_| ¡d|_d |_|j ¡t ¡|_z| ¡|_Wntyy}z| ¡|jtjkrn‚WYd}~dSd}~wwtdt|jƒt d| !d |jt"f¡dS)N©ÚmapúFdecode_data and enable_SMTPUTF8 cannot be set to True at the same timerú Ú.óó ó.ó FzPeer:rz 220 %s %s)#ÚasynchatÚ async_chatÚ__init__Úsmtp_serverÚconnÚaddrÚdata_size_limitÚenable_SMTPUTF8Ú_decode_datar.Ú_emptystringÚ_linesepÚ_dotsepÚNEWLINEÚ_newlineÚordÚ_set_rset_stateÚ seen_greetingÚ extended_smtpr,ÚclearÚsocketZgetfqdnÚfqdnZgetpeernameÚpeerÚOSErrorÚcloseÚerrnoZENOTCONNr ÚreprÚDEBUGSTREAMÚpushÚ__version__) rZserverr>r?r@r2rAÚdecode_dataÚerrrrrr<‘sD €úzSMTPChannel.__init__cCs.|j|_d|_g|_d|_d|_| d¡dS)z/Reset state variables to their post-DATA state.NFrr7)ÚCOMMANDÚ smtp_stateÚmailfromÚrcpttosÚrequire_SMTPUTF8Ú num_bytesÚset_terminatorrrrrÚ_set_post_data_state¸sz SMTPChannel._set_post_data_statecCs| ¡d|_g|_dS)z.Reset all state variables except the greeting.rN)r`Ú received_dataÚreceived_linesrrrrrIÁs zSMTPChannel._set_rset_statecCótdtdƒ|jS)NzTAccess to __server 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©rrerOrrrrÚ__peer!rgzSMTPChannel.__peercCrh)NzISetting __peer attribute on SMTPChannel is deprecated, set 'peer' insteadr rzrirrrr{&rkcCrc)NzKAccess to __conn attribute on SMTPChannel is deprecated, use 'conn' insteadr ©rrer>rrrrÚ__conn,rgzSMTPChannel.__conncCrh)NzISetting __conn attribute on SMTPChannel is deprecated, set 'conn' insteadr r|rirrrr}1rkcCrc)NzKAccess to __addr attribute on SMTPChannel is deprecated, use 'addr' insteadr ©rrer?rrrrÚ__addr7rgzSMTPChannel.__addrcCrh)NzISetting __addr attribute on SMTPChannel is deprecated, set 'addr' insteadr r~rirrrr<rkcCs&tj |t|d|jr dndƒ¡dS)Nr4úutf-8Úascii)r:r;rUÚbytesr]rrrrrUCs ÿzSMTPChannel.pushcCs~d}|j|jkr|j}n |j|jkr|j}|r|j|krdS|r)|jt|ƒ7_|jr7|j t |dƒ¡dS|j |¡dS)Nr€)rZrYr0ÚDATAr@r^ÚlenrBrbÚappendÚstr)rÚdataÚlimitrrrÚcollect_incoming_dataHsz!SMTPChannel.collect_incoming_datac Cs|j |j¡}tdt|ƒtdg|_|j|jkr‚|jd}|_|s)| d¡dS|j s1t|dƒ}| d¡}|dkrA| ¡}d}n|d|… ¡}||dd… ¡}|jr[|j|n|j}||kri| d¡dSt|d |dƒ}|s|| d |¡dS||ƒdS|j|jkr’| d¡d|_dS|jr¥|j|jkr¥| d¡d|_dSg}| |j¡D]} | rÂ| d|jkrÂ| | dd…¡q| | ¡q|j |¡|_|j|j|j|jf} i}|j så|j|jd œ}|j j!| i|¤Ž}| "¡|sû| d¡dS| |¡dS)NzData:rrz500 Error: bad syntaxr€ú r(z500 Error: line too longZsmtp_z&500 Error: command "%s" not recognizedz451 Internal confusionz552 Error: Too much mail data)Úmail_optionsÚrcpt_optionsú250 OK)#rCÚjoinrbr rSrTrZrYr^rUrBr†ÚfindÚupperÚstriprKr,r/Úgetattrrƒr@ÚsplitrDrEr…rGrarOr[r\r‹rŒr=Úprocess_messager`) rÚlineZszÚiÚcommandÚargZmax_szÚmethodr‡ÚtextÚargsÚkwargsZstatusrrrÚfound_terminatorXsl ÿÿ þzSMTPChannel.found_terminatorcCsH|s | d¡dS|jr| d¡dS| ¡||_| d|j¡dS)Nz501 Syntax: HELO hostnameú503 Duplicate HELO/EHLOz250 %s)rUrJrIrN©rr˜rrrÚ smtp_HELO–s zSMTPChannel.smtp_HELOcCs²|s | d¡dS|jr| d¡dS| ¡||_d|_| d|j¡|jr9| d|j¡|jdd7<|jsA| d¡|jrR| d ¡|jdd 7<| d¡dS)Nz501 Syntax: EHLO hostnameržTz250-%sz250-SIZE %sÚMAILéz250-8BITMIMEz250-SMTPUTF8é z250 HELP) rUrJrIrKrNr@r,rBrArŸrrrÚ smtp_EHLO¢s& zSMTPChannel.smtp_EHLOcCs |r | d¡dS| d¡dS)Nz501 Syntax: NOOPr©rUrŸrrrÚ 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ZRCPTz250 Syntax: RCPT TO:

rƒz250 Syntax: DATAZRSETz250 Syntax: RSETZNOOPz250 Syntax: NOOPZQUITz250 Syntax: QUITZVRFYz250 Syntax: VRFY

zD501 Supported commands: EHLO HELO MAIL RCPT DATA RSET NOOP QUIT VRFYzD250 Supported commands: EHLO HELO MAIL RCPT DATA RSET NOOP QUIT VRFY)rrUrK)rr˜ZextendedZlc_argrrrrÚ smtp_HELPßs:zSMTPChannel.smtp_HELPcCsD|r| |¡\}}|r| d¡dS| d|¡dS| d¡dS)NzB252 Cannot VRFY user, but will accept message and attempt deliveryz502 Could not VRFY %sz501 Syntax: VRFY

)r¯rU)rr˜rr³rrrÚ smtp_VRFYszSMTPChannel.smtp_VRFYcCs¼|js | d¡dStd|tdd}|jr|d7}|dur%| |¡dS| d|¡}| |¡\}}|s;| |¡dS|jsG|rG| |¡dS|jrQ| d¡dS| ¡ ¡|_ | |j ¡}|duri| |¡dS|js}| dd ¡}|d vr}| d¡dS|jr™| dd ¡}|durŽd|_n|d ur™| d¡dS| dd¡}|r½| ¡s¬| |¡dS|jr½t|ƒ|jkr½| d¡dSt| ¡ƒdkrÌ| d¡dS||_td|jtd| d¡dS)Nú503 Error: send HELO firstz ===> MAILrz 501 Syntax: MAIL FROM:

r·zFROM:z503 Error: nested MAIL commandZBODYÚ7BIT)r»Z8BITMIMEz1501 Error: BODY can only be one of 7BIT, 8BITMIMEZSMTPUTF8FTz&501 Error: SMTPUTF8 takes no argumentsZSIZEz:552 Error: message size exceeds fixed maximum message sizerz:555 MAIL FROM parameters not recognized or not implementedzsender:r)rJrUr rTrKr©r¯r[rr“r‹r¶rBÚpoprAr]Úisdigitr@Úintr„Úkeys)rr˜Ú syntaxerrrr³ÚbodyÚsmtputf8ÚsizerrrÚ smtp_MAIL sh zSMTPChannel.smtp_MAILcCs|js | d¡dStd|td|js| d¡dSd}|jr$|d7}|dur/| |¡dS| d|¡}| |¡\}}|sE| |¡dS|jsQ|rQ| |¡dS| ¡ ¡|_ | |j ¡}|duri| |¡dSt| ¡ƒdkrx| d ¡dS|j |¡td |jtd| d¡dS)Nrºz ===> RCPTrz503 Error: need MAIL commandz501 Syntax: RCPT TO:

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